Chemical Reactions and Equations Quiz

What does the Law of Conservation of Matter state about matter in a chemical reaction?

• Matter can be created or destroyed.

• Matter can be rearranged but not created or destroyed.

• Matter can only be created.

• Matter can only be destroyed.

Tags

NGSS.MS-PS1-5

In the steps for balancing an equation, what should you count on the reactants side?

• The number of molecules.

• The number of atoms for each element.

• The total mass.

• The number of compounds.

Tags

NGSS.MS-PS1-5

What is important to remember when balancing chemical equations?

• You can change the subscript.

• You can add new elements.

• You can only add/change the coefficients.

• You can remove elements.

Tags

NGSS.MS-PS1-5

What type of reaction is represented by the equation: Zn + CuSO₄ → ZnSO₄ + Cu?

• Synthesis

• Decomposition

• Single Replacement

• Double Replacement

In a double replacement reaction, what happens to the ions?

• Ions are created.

• Ions are destroyed.

• Ions exchange places to produce new compounds.

• Ions remain unchanged.

Tags

NGSS.MS-PS1-5

A __________ is a homogeneous mixture made up of two parts: a __________ and a __________.

• Solution, solute, solvent

• Solvent, solution, solute

• Solute, solvent, solution

• Mixture, compound, element

In a solution, the __________ is the part that is dissolved.

• Solvent

• Solute

• Mixture

• Compound

In a solution, the __________ is the part that does the dissolving.

• Solvent

• Solute

• Mixture

• Compound

A __________ solution has a large amount of solute dissolved in the solvent.

• Dilute

• Concentrated

• Saturated

• Unsaturated

A __________ solution has a small amount of solute dissolved in the solvent.

• Dilute

• Concentrated

• Saturated

• Unsaturated